Move LowerCaseEqualsASCII to base namespace

chrome/installer/setup/install_worker.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file contains the definitions of the installer functions that build
 // the WorkItemList used to install the application.
 
 #include "chrome/installer/setup/install_worker.h"
 
 #include <oaidl.h>
@@ skipping 699 matching lines @@
                                version_key,
                                KEY_WOW64_32KEY,
                                google_update::kRegOopcrashesField,
                                static_cast<DWORD>(1),
                                false);  // set during first install
   if (add_language_identifier) {
     // Write the language identifier of the current translation.  Omaha's set of
     // languages is a superset of Chrome's set of translations with this one
     // exception: what Chrome calls "en-us", Omaha calls "en".  sigh.
     base::string16 language(GetCurrentTranslation());
-    if (LowerCaseEqualsASCII(language, "en-us"))
+    if (base::LowerCaseEqualsASCII(language, "en-us"))
       language.resize(2);
     list->AddSetRegValueWorkItem(root,
                                  version_key,
                                  KEY_WOW64_32KEY,
                                  google_update::kRegLangField,
                                  language,
                                  false);  // do not overwrite language
   }
   list->AddSetRegValueWorkItem(root,
                                version_key,
@@ skipping 830 matching lines @@
   // Unconditionally remove the legacy Quick Enable command from the binaries.
   // Do this even if multi-install Chrome isn't installed to ensure that it is
   // not left behind in any case.
   work_item_list->AddDeleteRegKeyWorkItem(
                       installer_state.root_key(), cmd_key, KEY_WOW64_32KEY)
       ->set_log_message("removing " + base::UTF16ToASCII(kCmdQuickEnableCf) +
                         " command");
 }
 
 }  // namespace installer